i need helps

I need to do this demo I want to install it on my site
I do not want the demo that comes with the template because there is no where everything
Like the demo here
https://classifiedstheme.premiumpresslimited.com/
For this my site is this
I do not know how to make it like the demo that you have
http://www.kosis.se
I wish you have a file
xml
To prove the demo to become like the demo sites which you have
Thank you